Rotor protection device of phase modifier

Abstract

The utility model relates to the technical field of rotor protection, in particular to a rotor protection device of a phase modifier, which comprises a motor main body and a rotor, a protective cover is arranged on the outer side of the rotor, a plurality of oil dripping heads are in equidistant threaded connection with the upper part of the inner side of the protective cover, and a first fixing pipe is arranged on the front side of the upper part of the protective cover. An oil dripping channel is formed in the inner side of the first fixing pipe, a second fixing pipe is fixedly arranged in the middle of the bottom end of the protective cover, the bottom of the second fixing pipe is in threaded connection with a storage bottle body, and a slope groove is formed in the bottom of the inner side of the protective cover. According to the lubricating device, the rotor is protected through the protective cover, lubricating oil drips on the outer side of the rotor to be coated through the oil dripping channel, the inclined groove, the first oil conveying channel and the oil dripping head, the redundant dripped lubricating oil is collected through the inclined face groove, the second oil conveying channel and the storage bottle body, the protective cover does not need to be disassembled, and the lubricating device is convenient to use. And the convenience and the operation simplicity in the use process are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to rotor protection technical field, concretely is a rotor protection device of phase modifier. BACKGROUND

[0002] Three-phase asynchronous motor is a kind of induction motor, is powered by simultaneously accessing 380V three-phase alternating current, since the rotor of three-phase asynchronous motor and rotating magnetic field of stator rotate in the same direction, different rotating speed, there is slip, so it is called three-phase asynchronous motor. The rotating speed of the rotor of three-phase asynchronous motor is lower than that of rotating magnetic field, and the rotor winding produces electromotive force and current due to the relative motion between the magnetic field and the magnetic field, and interacts with the magnetic field to produce electromagnetic torque, realizes energy conversion;Compared with single-phase asynchronous motor, three-phase asynchronous motor has good running performance, and can save various materials. According to the different structures of rotor, three-phase asynchronous motor can be divided into cage type and winding type. The asynchronous motor with cage rotor has simple structure, reliable operation, light weight and low price, and has been widely used, but its main disadvantage is difficult to adjust speed. The rotor of winding type three-phase asynchronous motor is provided with three-phase winding like the stator, and is connected with external rheostat through slip ring and brush, and the resistance of rheostat can improve the starting performance of motor and adjust the rotating speed of motor.

[0003] The power output structure of the existing three-phase asynchronous motor is rotor structure, and the rotor structure also plays the function of connecting with external equipment or driving external components to rotate. When the motor is idle, the rotor is directly exposed to the air. When it is hit by external force, the external force will directly hit the rotor itself. Long time, easy to cause the rotor to deform and twist, can not be used normally.

[0004] Through retrieval, China patent discloses a three-phase asynchronous motor rotor protection structure (publication number: CN221812326U), when external force, will be blocked by protective cover, will not directly act on the rotor, thereby reducing the probability of rotor damage;By setting the wiping component, when installing the utility model, the wiping component can wipe the surface of the rotor, prevent the impurities attached to the surface of the rotor from corroding the rotor;By setting the clamping assembly, it is convenient to install the wiping component in the protective cover, and it is convenient to disassemble, so as to clean the wiping cotton in the wiping component regularly, make the wiping component keep good cleaning effect, but when the rotor is used, in order to ensure its good lubricating effect and rotating effect, it is necessary to smear lubricating oil, but the above-mentioned patent needs to be disassembled for smearing lubricating oil to the rotor, which is easy to reduce the convenience of smearing lubricating oil, and the operation is complex, a rotor protection device of phase modifier needs to be designed to solve the above-mentioned problems. UTILITY MODEL CONTENTS

[0005] The utility model wants to solve the technical problem to provide a rotor protection device of phase modifier to solve the problem.

[0006] To solve the above technical problems, the utility model provides the following technical scheme.

[0007] A rotor protection device of phase modifier, including motor main part and rotor, the outside of rotor is provided with the protective cover, the inside upper portion of protective cover is equidistantly connected with a plurality of oil drip head, the upper portion front side of protective cover is provided with first fixed tube, the inside of first fixed tube is provided with oil drip channel, the inside upper end of protective cover is provided with oblique groove, the middle part of oil drip head is provided with first oil delivery channel, oblique groove is linked with oil drip channel and first oil delivery channel, the middle part of bottom of protective cover is fixedly provided with second fixed tube, the bottom of second fixed tube is threadedly connected with storage bottle body, the inside bottom of protective cover is provided with inclined groove, the middle part of second fixed tube is provided with second oil delivery channel, second oil delivery channel is linked with inclined groove and storage bottle body.

[0008] Further, the front side of the protective cover is fixedly connected with a mounting disc, the middle part of the mounting disc is fixedly connected with a sleeve, the sleeve is arranged on the outside of the rotor, and the front side of the sleeve is externally threadedly connected with a protective sleeve.

[0009] Further, the rear side of the protective cover is provided with a fixed ring, and the fixed ring is fixedly connected to the front side of the motor main body.

[0010] Further, the inside of the oil drip channel is provided with a rubber plug, the right side of the protective cover is fixedly connected with a rubber fixing plate, the upper part of the rubber plug is provided with a connecting line, and the bottom end of the connecting line is fixedly connected to the right side of the rubber fixing plate.

[0011] Further, the inclined groove is inclined from the front end to the rear end to the middle second oil delivery channel.

[0012] Further, the protective cover, the mounting disc and the sleeve are all made of 0.5mm-thick plastic material.

[0013] The utility model at least has following beneficial effects:

[0014] In the utility model, the rotor is protected by the protective cover, the probability of rotor damage is reduced, the lubricating oil is dropped on the outside of the rotor for coating through the oil drip channel, the oblique groove, the first oil delivery channel and the oil drip head, the excess dropped lubricating oil is collected through the inclined groove, the second oil delivery channel and the storage bottle body, the excess dropped lubricating oil in the inside of the protective cover cannot be removed, and meanwhile can be collected and recycled, preventing waste, ensuring the lubricating effect and rotating effect of the rotor, and not needing to disassemble the protective cover, increasing convenience and operation simplicity in use. Attached Figure Description

[0015] The accompanying drawings, which form part of this specification, illustrate embodiments of this disclosure and, together with the specification, further serve to explain the principles of this disclosure and enable those skilled in the art to implement and use this disclosure.

[0016] Figure 1 This is a three-dimensional structural diagram of the left side of this utility model;

[0017] Figure 2 This is an exploded perspective view of the protective cover, storage bottle, and mounting plate of this utility model;

[0018] Figure 3 This is a right-side sectional view of the protective cover, oil drip head, and storage bottle of this utility model;

[0019] Figure 4 This is a three-dimensional exploded view of the protective cover, rubber sealing head, and rubber fixing plate of this utility model.

[0020] In the diagram: 1. Motor body; 2. Rotor; 3. Protective cover; 4. Oil drip head; 5. First fixed pipe; 6. Oil drip channel; 7. Angled groove; 8. First oil delivery channel; 9. Second fixed pipe; 10. Angled groove; 11. Second oil delivery channel; 12. Storage bottle; 13. Mounting plate; 14. Sleeve; 15. Fixing ring; 16. Rubber sealing head; 17. Rubber fixing plate; 18. Connecting wire; 19. Protective sleeve.

[0021] As shown in the figure, specific structures and devices are marked in the figure to clearly illustrate the structure of the embodiments of this utility model. However, this is only for illustrative purposes and is not intended to limit this utility model to the specific structure, device and environment. According to specific needs, those skilled in the art can adjust or modify these devices and environments, and such adjustments or modifications are still included in the scope of the appended claims. Detailed Implementation

[0022] The rotor protection device for a synchronous condenser provided by this utility model will be described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that, to make the embodiments more detailed, the following embodiments are the best and preferred embodiments, and those skilled in the art can also use other alternative methods to implement some known technologies; moreover, the accompanying drawings are only for more specific description of the embodiments and are not intended to specifically limit this utility model.

[0023] It is to be appreciated that the use of any of the included examples, such as "one embodiment," "an embodiment," "one example," and "an example," is not intended to be interpreted as a limitation unless the context indicates otherwise. It will be further understood that such included examples are intended to be within the scope of what the inventors believe to be a presently described embodiment to enable others skilled in the art to better appreciate various aspects hereto. Accordingly, applicants reserve the right to incorporate any and all examples, or variations thereof, when such examples, or variations thereof, become subsequently known, in addition to any prior art.

[0024] In general, terminology can be understood at least in part from usage in context. For example, terms, such as "one or more" as used herein, can be taken to mean that there is at least one, or alternatively there can be more than one of a particular element, and so forth. In addition, as used herein, the article "a" is intended to include one or more items, and can be used interchangeably with the articles "one or more." Furthermore, as used herein, the term, "based on," can be understood as not necessarily intended to convey an exclusive consideration, but rather, can be taken to mean, based at least in part on - unless specifically indicated otherwise.

[0025] Embodiments:

[0026] Referring to Figures 1-4 A rotor protection device of a phase modifier includes a motor body 1 and a rotor 2, the outer side of the rotor 2 is provided with a protective cover 3, the inner side of the protective cover 3 is provided with a plurality of oil dripping heads 4 which are equidistantly and threadedly connected to the upper part of the protective cover 3, the upper front side of the protective cover 3 is provided with a first fixed pipe 5, the inner side of the first fixed pipe 5 is provided with an oil dripping channel 6, the inner upper end of the protective cover 3 is provided with an inclined groove 7, the middle part of each of the oil dripping heads 4 is provided with a first oil conveying channel 8, the inclined groove 7 is in communication with the oil dripping channel 6 and the first oil conveying channel 8, the middle part of the bottom end of the protective cover 3 is fixedly provided with a second fixed pipe 9, the bottom of the second fixed pipe 9 is threadedly connected with a storage bottle body 12, the inner bottom of the protective cover 3 is provided with an inclined groove 10, the middle part of the second fixed pipe 9 is provided with a second oil conveying channel 11, the second oil conveying channel 11 is in communication with the inclined groove 10 and the storage bottle body 12.

[0027] Referring to Figure 1 and 2 The front side of the protective cover 3 is fixedly connected with a mounting disc 13, the middle part of the mounting disc 13 is fixedly connected with a sleeve pipe 14, the sleeve pipe 14 is arranged on the outer side of the rotor 2, the front side of the protective cover 3 is shielded by the mounting disc 13 and the sleeve pipe 14 to prevent dust from falling into the interior of the protective cover 3, and at the same time, the front end protruding part of the rotor 2 is protected, the front side of the outer part of the sleeve pipe 14 is threadedly connected with a protective sleeve 19, the exposed rotor 2 is protected by the protective sleeve 19, and at the same time, the installation and dismounting are facilitated, the convenience in connection with other objects to be connected is increased, and at the same time, when not connected, the exposed rotor 2 is prevented from being damaged by impact and the like.

[0028] Referring to Figure 1 and2 The rear side of the protective cover 3 is provided with a fixing ring 15, which is fixedly connected to the front side of the motor body 1, and the fixing ring 15 increases the convenience of fixing the protective cover 3 to the outside of the motor body 1.

[0029] Please refer to Figure 4 The inside of the oil dripping channel 6 is provided with a rubber sealing head 16, the right side of the protective cover 3 is fixedly connected with a rubber fixing plate 17, the upper part of the rubber sealing head 16 is provided with a connecting line 18, the bottom end of the connecting line 18 is fixedly connected to the right side of the rubber fixing plate 17, the rubber sealing head 16 is sealed to the oil dripping channel 6, the rubber sealing head 16 is fixedly installed to the outside of the protective cover 3 through the rubber fixing plate 17 and the connecting line 18, and the convenience of sealing and opening the oil dripping channel 6 is increased.

[0030] Please refer to Figure 3 The inclined groove 10 is inclined from the front end to the rear end to the middle second oil conveying channel 11, so as to conveniently collect the dripping lubricating oil, convey the lubricating oil to the storage bottle body 12, and prevent the lubricating oil from gathering in the protective cover 3.

[0031] Please refer to Figures 1-4 The protective cover 3, the mounting disc 13 and the sleeve 14 are all made of 0.5mm-thick plastic material, are not easy to be damaged, are convenient to manufacture even if damaged, and reduce the use cost.

[0032] Please refer to Figures 1-4 The utility model discloses a working principle and installation steps based on the above embodiment: firstly, in the installation process, the oil dripping head 4 is screwed to the inside of the protective cover 3, the mounting disc 13 and the sleeve 14 are fixed to the front end of the protective cover 3, then the protective cover 3, the mounting disc 13 and the sleeve 14 are sleeved to the outside of the rotor 2, the front end of the rotor 2 protrudes to the outside of the sleeve 14, the fixing ring 15 arranged at the rear side of the protective cover 3 is fixedly installed to the front side shell of the motor body 1, and in the use process, the lubricating oil bottle is placed at the oil dripping channel 6, the lubricating oil is filled in the oil dripping channel 6, the lubricating oil flows into the first oil conveying channel 8 along the inclined groove 7, and drips on the outside of the rotor 2 through the oil dripping head 4, since the rotor 2 is in a rotating state, the outside of the rotor 2 is evenly coated with the lubricating oil, and the excessive lubricating oil drips in the inclined groove 10 and is conveyed to the storage bottle body 12 for storage through the second oil conveying channel 11, so the convenience of coating the lubricating oil on the rotor 2 is increased.

[0033] The utility model discloses a working principle and installation steps based on the above embodiment: firstly, in the installation process, the oil dripping head 4 is screwed to the inside of the protective cover 3, the mounting disc 13 and the sleeve 14 are fixed to the front end of the protective cover 3, then the protective cover 3, the mounting disc 13 and the sleeve 14 are sleeved to the outside of the rotor 2, the front end of the rotor 2 protrudes to the outside of the sleeve 14, the fixing ring 15 arranged at the rear side of the protective cover 3 is fixedly installed to the front side shell of the motor body 1, and in the use process, the lubricating oil bottle is placed at the oil dripping channel 6, the lubricating oil is filled in the oil dripping channel 6, the lubricating oil flows into the first oil conveying channel 8 along the inclined groove 7, and drips on the outside of the rotor 2 through the oil dripping head 4, since the rotor 2 is in a rotating state, the outside of the rotor 2 is evenly coated with the lubricating oil, and the excessive lubricating oil drips in the inclined groove 10 and is conveyed to the storage bottle body 12 for storage through the second oil conveying channel 11, so the convenience of coating the lubricating oil on the rotor 2 is increased.

[0034] The above merely is preferred implementation manner of the present application, it should be pointed out, for ordinary skilled person in the technical field, on the premise of not departing from the principle of the present application, can make a number of improvements and refinements, these improvements and refinements also should be regarded as the protection scope of the present application.

Claims

1. A rotor protection device for a phase modulator, comprising a motor body (1) and a rotor (2), characterized in that: The outer side of the rotor (2) is provided with a protective cover (3), the inner side upper part of the protective cover (3) is equidistantly screwed with several oil dripping heads (4), the upper front side of the protective cover (3) is provided with a first fixed pipe (5), the inner side of the first fixed pipe (5) is provided with an oil dripping channel (6), the inner upper end of the protective cover (3) is provided with an inclined groove (7), the middle part of the oil dripping head (4) is provided with a first oil conveying channel (8), the inclined groove (7) is communicated with the oil dripping channel (6) and the first oil conveying channel (8), the bottom middle part of the protective cover (3) is fixedly provided with a second fixed pipe (9), the bottom of the second fixed pipe (9) is screwed with a storage bottle body (12), the inner bottom of the protective cover (3) is provided with an inclined groove (10), the middle part of the second fixed pipe (9) is provided with a second oil conveying channel (11), the second oil conveying channel (11) is communicated with the inclined groove (10) and the storage bottle body (12).

2. A rotor guard for a phase modulator according to claim 1, characterised in that: The front side of the protective cover (3) is fixedly connected with a mounting disc (13), the middle part of the mounting disc (13) is fixedly connected with a sleeve pipe (14), the sleeve pipe (14) is arranged on the outer side of the rotor (2), the front side of the sleeve pipe (14) is screwed with a protective sleeve (19).

3. A rotor guard for a phase modulator according to claim 1, wherein: The rear side of the protective cover (3) is provided with a fixed ring (15), the fixed ring (15) is fixedly connected with the front side of the motor main body (1).

4. A rotor guard for a phase modulator according to claim 1, wherein: The inner side of the oil dripping channel (6) is provided with a rubber sealing head (16), the right side of the protective cover (3) is fixedly connected with a rubber fixed plate (17), the upper part of the rubber sealing head (16) is provided with a connecting line (18), the bottom end of the connecting line (18) is fixedly connected with the right side of the rubber fixed plate (17).

5. A rotor shield for a phase modulator according to claim 1, wherein: The inclined groove (10) is inclined from the front end to the rear end to the middle second oil conveying channel (11).

6. A rotor shield for a phase modulator according to claim 1, wherein: The protective cover (3), the mounting disc (13) and the sleeve pipe (14) are all made of 0.5mm thick plastic material.

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